Matéria: Matemática
Autor: anda3borlisvulp
Perguntado 9 anos atrás

o preço real de um eletrodomestico que foi revendido por R$532,98,com lucro de 26%,é:

Respostas

respondido por: Anônimo

Olá,

Vamos lá,

se foi revendido com 26% de lucro então será 100% + 26% = 126% = 532,98, usaremos agora a regra de tres:

126%.................532,98
100%.................x

126x = 532,98 * 100
126x = 53.298
x = 53.298/126
x = 423

Resposta: R$ 423,00 é o preço real

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